Bump to LLVM 18.1.6 (#28)

grendello · web-flow · commit 97b574be608c · 2024-05-20T11:01:13.000+02:00
Changes: https://discourse.llvm.org/t/18-1-5-released/78740 Changes: https://discourse.llvm.org/t/18-1-6-released/79068 There are no changes in the above announcements that are important to us. Simply tracking the latest LLVM 18 version. There are no more planned 18.1.x releases, but there could be one if a critical issue is found.
diff --git a/external/llvm b/external/llvm
@@ -1 +1 @@
-Subproject commit e6c3289804a67ea0bb6a86fadbe454dd93b8d855
+Subproject commit 1118c2e05e67a36ed8ca250524525cdb66a55256
